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From: Clinical presentation and predictors of outcome in patients with severe acute exacerbation of chronic obstructive pulmonary disease requiring admission to intensive care unit
Variable
Odds ratio
95% Confidence intervals
p-value
Need for invasive ventilation
45.809
607.46 to 3.009
p < 0.001
Presence of co-morbid illness
0.126
0.428 to 0.037
p < 0.01
Hypercapnia
0.114
1.324 to 0.010
p < 0.05